As the director of Data Centers and Mission Critical, Greg Weimholt leverages more than 30 years of data center design and engineering experience to lead PCL Construction’s mission critical operations across North America. In addition to being a licensed Professional Electrical Engineer, Greg is also at LEED Accredited Professional and brings expertise in sustainable data center building practices to each project.  

His connection with the world of construction runs deep, stemming from a family legacy of builders. "Many in my family have been builders, dating back to my great-grandfather Ben, a first-generation immigrant from Prussia who was a carpenter," Weimholt says. 

Upon graduating from the University of Kansas with a degree in architectural engineering, Weimholt immediately began working for several major companies in the data center space - including a pivotal project for AT&T in the late '90s. Weimholt says the project held a personal significance as his father had spent much of his career working for AT&T. It was also the first data center where he was part of the team responsible for designing and building the electrical system, including testing.

“I wrote the commissioning test procedures for all the main electrical distribution to determine if the system was designed to the level it was required. This was truly the beginning of me realizing mission critical is where I fit in the construction industry,” Weimholt says.

Another impactful project was the renovation and expansion of the Texas Scottish Rite Hospital for Children. “It was a large renovation and expansion to the hospital with a lot of complexity. It taught me very quickly about how to keep a critical facility operational during construction, and factoring that into the design of the building,” Weimholt says.  

The project, which was supporting children receiving orthopedic treatment, also deeply affected Weimholt on a personal level. Each weekend the project team would volunteer at the hospital in whatever capacity was needed. While it was difficult at times to see the kids suffering, Weimholt says it was also incredibly inspiring to see how strong and resilient they were.

Today, Weimholt is active in various industry organizations and personal causes, volunteering whenever possible for events including Canstruction, which supports local foodbanks, and a variety of fundraising bike rides and races. 

Prior to joining PCL in 2024, Weimholt was already aware of and impressed by the company’s reputation as a high-quality data center builder.

“That to me means there’s purpose in what you do because quality and complexity take effort and dedicated people. When I was interviewing with PCL, it was made even more clear that this is the case. Being 100% employee-owned also makes an impact on our culture. We care deeply about our projects and the results we deliver, and that matters to our clients.”